> Ken Roff Wrote:
> -------------------------------------------------------
> Main jet sounds good for 78 is about par for the 217 atomizer (you
> could try a 77 jet and or or different needle clip selections) but you
> need to dremel open intake hole on cylinder to around 16mm,
>
> notch piston skirt for full open intake @ tdc, sand or mill the head
> head ring and tabs flat, base space cylinder at least 1.5 mm bevel
> piston sides a bit more for full open transfers @ bottom dead center, 18
> degree timing
>
> Do this and your carb settings will probably match better and you will
> hit about 40mph
>
> With the mods I just said but with stock 12mm carb and stock pipe with
> just a 5/16 hole added to inside and end cap I get 35-40 mph with my 200
> lb
>
>
Im liable to screw something up when it comes to the porting and machining you mentioned. Also dont have the tools for it and have never done it before. What's your going rate for this magic mystery science?